Checking in a merge of Chee Seng's branch that ensures multi-line error messages are working
well when the end up in XML. Cmd I used:

svn merge -r4889:HEAD https://scalatest.googlecode.com/svn/branches/cs-multilines-padding-2


git-svn-id: http://scalatest.googlecode.com/svn/trunk@4893 fd1274fd-080f-5963-8033-43ee40fcd1de